SOLX Titanium Sapphire Laser for Trabeculoplasty

Inclusion Criteria:Clinical Diagnosis of Open Angle Glaucoma * Patient is aged 18 years or older, with 2 sighted eyes. * Eye to be treated have average IOP greater or equal to 22 mmHg, measured at 2 pretreatment visits. * Eye to be treated either exhibits: * poorly controlled open angle glaucoma and on maximal tolerated medical therapy * OR poorly controlled open angle glaucoma and failed previous laser trabeculoplasty (180° available to treat if previous ALT; can treat over previous SLT) Exclusion Criteria: Patients are not eligible for enrollment if any of the following exclusion criteria are met: * Eye to be treated has any of the following: 1. evidence of glaucoma other than open-angle glaucoma; 2. severe paracentral or generalized field defect; 3. any ocular condition that precluded adequate visualization and treatment of the trabecular meshwork. 4. prior glaucoma surgery other than laser trabeculoplasty or peripheral iridotomy. * Patient has mental impairment such that he/she could not understand the protocol or is not in a position to provide written informed consent. * Patient is pregnant. * Patient might require other ocular surgery within the 6-month follow-up period. * Patient has a medical history that suggested the potential for complications from TiSaLT. * Having concurrent treatment with systemic steroids.